/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package examples.org.apache.hc.client5.http.examples;

import java.net.URL;

import org.apache.hc.client5.http.config.CookieSpecs;
import org.apache.hc.client5.http.cookie.CookieSpecProvider;
import org.apache.hc.client5.http.impl.cookie.RFC6265CookieSpecProvider;
import org.apache.hc.client5.http.impl.sync.CloseableHttpClient;
import org.apache.hc.client5.http.impl.sync.HttpClients;
import org.apache.hc.client5.http.methods.CloseableHttpResponse;
import org.apache.hc.client5.http.methods.HttpGet;
import org.apache.hc.client5.http.psl.PublicSuffixMatcher;
import org.apache.hc.client5.http.psl.PublicSuffixMatcherLoader;
import org.apache.hc.client5.http.ssl.DefaultHostnameVerifier;
import org.apache.hc.core5.http.HttpEntity;
import org.apache.hc.core5.http.config.Lookup;
import org.apache.hc.core5.http.config.RegistryBuilder;
import org.apache.hc.core5.http.entity.EntityUtils;

/**
 * 这个案例展示了如何使用一个自定义公共后缀列表。
 * This example demonstrates how to use a custom public suffix list.
 */
public class ClientCustomPublicSuffixList {

    public final static void main(String[] args) throws Exception {

        /** Use PublicSuffixMatcherLoader to load public suffix list from a file,
        *resource or from an arbitrary(任意的) URL
         *todo HttpClient4.4使用Mozilla基金会维护的公共后缀列表去确保SSL证书的通配符不会
         *todo 被多个通用顶级域名误用，HttpClient会附带一个该列表的最新的拷贝，最新的修正版
         *todo 在https://publicsuffix.org/list/，强烈建议从源数据每天更新一次并且保持一份本地拷贝。*/
        PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(
                new URL("https://publicsuffix.org/list/effective_tld_names.dat"));

        // Please use the publicsuffix.org URL to download the list no more than once per day !!!
        // Please consider making a local copy !!!

        DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher);

        RFC6265CookieSpecProvider cookieSpecProvider = new RFC6265CookieSpecProvider(publicSuffixMatcher);
        Lookup<CookieSpecProvider> cookieSpecRegistry = RegistryBuilder.<CookieSpecProvider>create()
                .register(CookieSpecs.DEFAULT, cookieSpecProvider)
                .register(CookieSpecs.STANDARD, cookieSpecProvider)
                .register(CookieSpecs.STANDARD_STRICT, cookieSpecProvider)
                .build();

        try (CloseableHttpClient httpclient = HttpClients.custom()
                .setSSLHostnameVerifier(hostnameVerifier)
                .setDefaultCookieSpecRegistry(cookieSpecRegistry)
                .build()) {

            HttpGet httpget = new HttpGet("https://httpbin.org/get");

            System.out.println("executing request " + httpget.getRequestLine());

            try (CloseableHttpResponse response = httpclient.execute(httpget)) {
                HttpEntity entity = response.getEntity();

                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                System.out.println(EntityUtils.toString(response.getEntity()));
            }
        }
    }

}
